The quetzal (locally: keˈtsal) is the currency of Guatemala. It is named after the national bird of Guatemala, the Resplendent Quetzal. In ancient Mayan culture, the quetzal bird's tail feathers were used as currency. It is divided into 100 cents, called centavos in standard Spanish or lenes in Guatemalan slang. The plural can be either quetzales or quetzals.

The naira is the currency of Nigeria. It is subdivided into 100 kobo. The Central Bank of Nigeria is the sole issuer of legal tender money throughout the Federation. Currently, the amount of foreign currency is regulated through weekly auctions, while the Central Bank sets the exchange rate.